I have use kvm ¡¢ virsh ¡¢ virt for almost half year £¬all things goes well ¡£
but recently£¬ I use virt-copy-in found some problem £¬ I have do nothing with my server £¬but the problem appear .
[root@gz-op-vmhost01 vmdata]# libguestfs-test-tool
************************************************************
* IMPORTANT NOTICE
*
* When reporting bugs, include the COMPLETE, UNEDITED
* output below in your bug report.
*
************************************************************
libguestfs: trace: set_verbose true
libguestfs: trace: set_verbose = 0
libguestfs: trace: set_verbose true
libguestfs: trace: set_verbose = 0
LIBGUESTFS_DEBUG=1
LIBGUESTFS_TRACE=1
PATH=/usr/java/jdk1.8.0_151/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
SELinux: Disabled
libguestfs: trace: add_drive_scratch 104857600
libguestfs: trace: get_tmpdir
libguestfs: trace: get_tmpdir = "/tmp"
libguestfs: trace: disk_create "/tmp/libguestfsr2XJRP/scratch1.img" "raw" 104857600
libguestfs: trace: disk_create = 0
libguestfs: trace: add_drive "/tmp/libguestfsr2XJRP/scratch1.img" "format:raw" "cachemode:unsafe"
libguestfs: trace: add_drive = 0
libguestfs: trace: add_drive_scratch = 0
libguestfs: trace: get_append
libguestfs: trace: get_append = "NULL"
guestfs_get_append: (null)
libguestfs: trace: get_autosync
libguestfs: trace: get_autosync = 1
guestfs_get_autosync: 1
libguestfs: trace: get_backend
libguestfs: trace: get_backend = "libvirt"
guestfs_get_backend: libvirt
libguestfs: trace: get_backend_settings
libguestfs: trace: get_backend_settings = []
guestfs_get_backend_settings: []
libguestfs: trace: get_cachedir
libguestfs: trace: get_cachedir = "/var/tmp"
guestfs_get_cachedir: /var/tmp
libguestfs: trace: get_hv
libguestfs: trace: get_hv = "/usr/libexec/qemu-kvm"
guestfs_get_hv: /usr/libexec/qemu-kvm
libguestfs: trace: get_memsize
libguestfs: trace: get_memsize = 500
guestfs_get_memsize: 500
libguestfs: trace: get_network
libguestfs: trace: get_network = 0
guestfs_get_network: 0
libguestfs: trace: get_path
libguestfs: trace: get_path = "/usr/lib64/guestfs"
guestfs_get_path: /usr/lib64/guestfs
libguestfs: trace: get_pgroup
libguestfs: trace: get_pgroup = 0
guestfs_get_pgroup: 0
libguestfs: trace: get_program
libguestfs: trace: get_program = "libguestfs-test-tool"
guestfs_get_program: libguestfs-test-tool
libguestfs: trace: get_recovery_proc
libguestfs: trace: get_recovery_proc = 1
guestfs_get_recovery_proc: 1
libguestfs: trace: get_smp
libguestfs: trace: get_smp = 1
guestfs_get_smp: 1
libguestfs: trace: get_sockdir
libguestfs: trace: get_sockdir = "/tmp"
guestfs_get_sockdir: /tmp
libguestfs: trace: get_tmpdir
libguestfs: trace: get_tmpdir = "/tmp"
guestfs_get_tmpdir: /tmp
libguestfs: trace: get_trace
libguestfs: trace: get_trace = 1
guestfs_get_trace: 1
libguestfs: trace: get_verbose
libguestfs: trace: get_verbose = 1
guestfs_get_verbose: 1
host_cpu: x86_64
Launching appliance, timeout set to 600 seconds.
libguestfs: trace: launch
libguestfs: trace: max_disks
libguestfs: trace: max_disks = 255
libguestfs: trace: version
libguestfs: trace: version = <struct guestfs_version = major: 1, minor: 38, release: 2, extra: rhel=7,release=12.el7_6.2,libvirt, >
libguestfs: trace: get_backend
libguestfs: trace: get_backend = "libvirt"
libguestfs: launch: program=libguestfs-test-tool
libguestfs: launch: version=1.38.2rhel=7,release=12.el7_6.2,libvirt
libguestfs: launch: backend registered: unix
libguestfs: launch: backend registered: uml
libguestfs: launch: backend registered: libvirt
libguestfs: launch: backend registered: direct
libguestfs: launch: backend=libvirt
libguestfs: launch: tmpdir=/tmp/libguestfsr2XJRP
libguestfs: launch: umask=0022
libguestfs: launch: euid=0
libguestfs: libvirt version = 4005000 (4.5.0)
libguestfs: guest random name = guestfs-tv134tqwpax481b9
libguestfs: connect to libvirt
libguestfs: opening libvirt handle: URI = qemu:///system, auth = default+wrapper, flags = 0
libguestfs: successfully opened libvirt handle: conn = 0x564c2ce63ab0
libguestfs: qemu version (reported by libvirt) = 2012000 (2.12.0)
libguestfs: get libvirt capabilities
libguestfs: parsing capabilities XML
libguestfs: trace: get_backend_setting "force_tcg"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: trace: get_backend_setting "internal_libvirt_label"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: trace: get_backend_setting "internal_libvirt_imagelabel"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: trace: get_backend_setting "internal_libvirt_norelabel_disks"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: build appliance
libguestfs: trace: get_cachedir
libguestfs: trace: get_cachedir = "/var/tmp"
libguestfs: begin building supermin appliance
libguestfs: run supermin
libguestfs: command: run: /usr/bin/supermin5
libguestfs: command: run: \ --build
libguestfs: command: run: \ --verbose
libguestfs: command: run: \ --if-newer
libguestfs: command: run: \ --lock /var/tmp/.guestfs-0/lock
libguestfs: command: run: \ --copy-kernel
libguestfs: command: run: \ -f ext2
libguestfs: command: run: \ --host-cpu x86_64
libguestfs: command: run: \ /usr/lib64/guestfs/supermin.d
libguestfs: command: run: \ -o /var/tmp/.guestfs-0/appliance.d
supermin: version: 5.1.19
supermin: rpm: detected RPM version 4.11
supermin: package handler: fedora/rpm
supermin: acquiring lock on /var/tmp/.guestfs-0/lock
supermin: if-newer: output does not need rebuilding
libguestfs: finished building supermin appliance
libguestfs: trace: disk_create "/tmp/libguestfsr2XJRP/overlay2.qcow2" "qcow2" -1 "backingfile:/var/tmp/.guestfs-0/appliance.d/root" "backingformat:raw"
libguestfs: command: run: qemu-img
libguestfs: command: run: \ create
libguestfs: command: run: \ -f qcow2
libguestfs: command: run: \ -o backing_file=/var/tmp/.guestfs-0/appliance.d/root,backing_fmt=raw
libguestfs: command: run: \ /tmp/libguestfsr2XJRP/overlay2.qcow2
qemu-img: /tmp/libguestfsr2XJRP/overlay2.qcow2: Could not open '/var/tmp/.guestfs-0/appliance.d/root': No such file or directory
Could not open backing image to determine size.
libguestfs: error: qemu-img: /tmp/libguestfsr2XJRP/overlay2.qcow2: qemu-img exited with error status 1, see debug messages above
libguestfs: trace: disk_create = -1 (error)
libguestfs: clear_socket_create_context: setsockcreatecon failed: NULL: Invalid argument [you can ignore this message if you are not using SELinux + sVirt]
libguestfs: trace: launch = -1 (error)
libguestfs: trace: close
libguestfs: closing guestfs handle 0x564c2ce63000 (state 0)
libguestfs: command: run: rm
libguestfs: command: run: \ -rf /tmp/libguestfsr2XJRP
[root@gz-op-vmhost01 vmdata]# ll /var/tmp/.guestfs-0/appliance.d/root
ls: cannot access /var/tmp/.guestfs-0/appliance.d/root: No such file or directory
[root@gz-op-vmhost01 vmdata]# ll /var/tmp/.guestfs-0/appliance.d/
total 10192
-rw-r--r-- 1 qemu qemu 3335680 Jan 3 13:36 initrd
-rwxr-xr-x 1 qemu qemu 7095680 Jan 3 13:36 kernel
[root@gz-op-vmhost01 vmdata]# mkdir /var/tmp/.guestfs-0/appliance.d/root
[root@gz-op-vmhost01 vmdata]# libguestfs-test-tool
************************************************************
* IMPORTANT NOTICE
*
* When reporting bugs, include the COMPLETE, UNEDITED
* output below in your bug report.
*
************************************************************
libguestfs: trace: set_verbose true
libguestfs: trace: set_verbose = 0
libguestfs: trace: set_verbose true
libguestfs: trace: set_verbose = 0
LIBGUESTFS_DEBUG=1
LIBGUESTFS_TRACE=1
PATH=/usr/java/jdk1.8.0_151/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
SELinux: Disabled
libguestfs: trace: add_drive_scratch 104857600
libguestfs: trace: get_tmpdir
libguestfs: trace: get_tmpdir = "/tmp"
libguestfs: trace: disk_create "/tmp/libguestfsn1zUMm/scratch1.img" "raw" 104857600
libguestfs: trace: disk_create = 0
libguestfs: trace: add_drive "/tmp/libguestfsn1zUMm/scratch1.img" "format:raw" "cachemode:unsafe"
libguestfs: trace: add_drive = 0
libguestfs: trace: add_drive_scratch = 0
libguestfs: trace: get_append
libguestfs: trace: get_append = "NULL"
guestfs_get_append: (null)
libguestfs: trace: get_autosync
libguestfs: trace: get_autosync = 1
guestfs_get_autosync: 1
libguestfs: trace: get_backend
libguestfs: trace: get_backend = "libvirt"
guestfs_get_backend: libvirt
libguestfs: trace: get_backend_settings
libguestfs: trace: get_backend_settings = []
guestfs_get_backend_settings: []
libguestfs: trace: get_cachedir
libguestfs: trace: get_cachedir = "/var/tmp"
guestfs_get_cachedir: /var/tmp
libguestfs: trace: get_hv
libguestfs: trace: get_hv = "/usr/libexec/qemu-kvm"
guestfs_get_hv: /usr/libexec/qemu-kvm
libguestfs: trace: get_memsize
libguestfs: trace: get_memsize = 500
guestfs_get_memsize: 500
libguestfs: trace: get_network
libguestfs: trace: get_network = 0
guestfs_get_network: 0
libguestfs: trace: get_path
libguestfs: trace: get_path = "/usr/lib64/guestfs"
guestfs_get_path: /usr/lib64/guestfs
libguestfs: trace: get_pgroup
libguestfs: trace: get_pgroup = 0
guestfs_get_pgroup: 0
libguestfs: trace: get_program
libguestfs: trace: get_program = "libguestfs-test-tool"
guestfs_get_program: libguestfs-test-tool
libguestfs: trace: get_recovery_proc
libguestfs: trace: get_recovery_proc = 1
guestfs_get_recovery_proc: 1
libguestfs: trace: get_smp
libguestfs: trace: get_smp = 1
guestfs_get_smp: 1
libguestfs: trace: get_sockdir
libguestfs: trace: get_sockdir = "/tmp"
guestfs_get_sockdir: /tmp
libguestfs: trace: get_tmpdir
libguestfs: trace: get_tmpdir = "/tmp"
guestfs_get_tmpdir: /tmp
libguestfs: trace: get_trace
libguestfs: trace: get_trace = 1
guestfs_get_trace: 1
libguestfs: trace: get_verbose
libguestfs: trace: get_verbose = 1
guestfs_get_verbose: 1
host_cpu: x86_64
Launching appliance, timeout set to 600 seconds.
libguestfs: trace: launch
libguestfs: trace: max_disks
libguestfs: trace: max_disks = 255
libguestfs: trace: version
libguestfs: trace: version = <struct guestfs_version = major: 1, minor: 38, release: 2, extra: rhel=7,release=12.el7_6.2,libvirt, >
libguestfs: trace: get_backend
libguestfs: trace: get_backend = "libvirt"
libguestfs: launch: program=libguestfs-test-tool
libguestfs: launch: version=1.38.2rhel=7,release=12.el7_6.2,libvirt
libguestfs: launch: backend registered: unix
libguestfs: launch: backend registered: uml
libguestfs: launch: backend registered: libvirt
libguestfs: launch: backend registered: direct
libguestfs: launch: backend=libvirt
libguestfs: launch: tmpdir=/tmp/libguestfsn1zUMm
libguestfs: launch: umask=0022
libguestfs: launch: euid=0
libguestfs: libvirt version = 4005000 (4.5.0)
libguestfs: guest random name = guestfs-6jipufmlo60389k4
libguestfs: connect to libvirt
libguestfs: opening libvirt handle: URI = qemu:///system, auth = default+wrapper, flags = 0
libguestfs: successfully opened libvirt handle: conn = 0x563ac943fab0
libguestfs: qemu version (reported by libvirt) = 2012000 (2.12.0)
libguestfs: get libvirt capabilities
libguestfs: parsing capabilities XML
libguestfs: trace: get_backend_setting "force_tcg"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: trace: get_backend_setting "internal_libvirt_label"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: trace: get_backend_setting "internal_libvirt_imagelabel"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: trace: get_backend_setting "internal_libvirt_norelabel_disks"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: build appliance
libguestfs: trace: get_cachedir
libguestfs: trace: get_cachedir = "/var/tmp"
libguestfs: begin building supermin appliance
libguestfs: run supermin
libguestfs: command: run: /usr/bin/supermin5
libguestfs: command: run: \ --build
libguestfs: command: run: \ --verbose
libguestfs: command: run: \ --if-newer
libguestfs: command: run: \ --lock /var/tmp/.guestfs-0/lock
libguestfs: command: run: \ --copy-kernel
libguestfs: command: run: \ -f ext2
libguestfs: command: run: \ --host-cpu x86_64
libguestfs: command: run: \ /usr/lib64/guestfs/supermin.d
libguestfs: command: run: \ -o /var/tmp/.guestfs-0/appliance.d
supermin: version: 5.1.19
supermin: rpm: detected RPM version 4.11
supermin: package handler: fedora/rpm
supermin: acquiring lock on /var/tmp/.guestfs-0/lock
supermin: if-newer: output does not need rebuilding
libguestfs: finished building supermin appliance
libguestfs: trace: disk_create "/tmp/libguestfsn1zUMm/overlay2.qcow2" "qcow2" -1 "backingfile:/var/tmp/.guestfs-0/appliance.d/root" "backingformat:raw"
libguestfs: command: run: qemu-img
libguestfs: command: run: \ create
libguestfs: command: run: \ -f qcow2
libguestfs: command: run: \ -o backing_file=/var/tmp/.guestfs-0/appliance.d/root,backing_fmt=raw
libguestfs: command: run: \ /tmp/libguestfsn1zUMm/overlay2.qcow2
qemu-img: /tmp/libguestfsn1zUMm/overlay2.qcow2: A regular file was expected by the 'file' driver, but something else was given
Could not open backing image to determine size.
libguestfs: error: qemu-img: /tmp/libguestfsn1zUMm/overlay2.qcow2: qemu-img exited with error status 1, see debug messages above
libguestfs: trace: disk_create = -1 (error)
libguestfs: clear_socket_create_context: setsockcreatecon failed: NULL: Invalid argument [you can ignore this message if you are not using SELinux + sVirt]
libguestfs: trace: launch = -1 (error)
libguestfs: trace: close
libguestfs: closing guestfs handle 0x563ac943f000 (state 0)
libguestfs: command: run: rm
libguestfs: command: run: \ -rf /tmp/libguestfsn1zUMm
[root@gz-op-vmhost01 vmdata]#